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Conventional network interface for multisite RF trunking system

  • US 5,481,545 A
  • Filed: 08/26/1991
  • Issued: 01/02/1996
  • Est. Priority Date: 08/26/1991
  • Status: Expired due to Term
First Claim
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1. In a radio frequency (RF) communication system including (a) at least one digitally trunked RF repeater which transmits a selected one of plural digital ID codes over the air to identify an associated selected one of a plurality of digitally trunked RF transceivers, and (b) at least one tone-based RF repeater which transmits a selected one of plural predetermined signalling tones over the air to identify an associated selected one of a plurality of tone-controlled RF transceivers, a method for providing communications between said trunked RF transceivers and said tone-controlled RF transceivers including the steps of:

  • (a) establishing correspondence between said selected one of said plural digital ID values and said selected one of said plural predetermined signalling tones,(b) transmitting said selected one digital ID value with said digitally trunked RF repeater to call said selected one of said plurality of digitally trunked RF transaceivers,(c) transmitting said selected one predetermined signalling tone with said tone-based RF repeater to call said selected one of said plurality of tone-controlled RF transceivers, and(d) establishing a communications path between said digitally trunked RF repeater and said tone-based RF repeater to allow communications between said called digitally trunked RF transceiver and said called tone-controlled RF transceiver,

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